Number of passengers who have reported being ill during the voyage out of total number of passengers onboard: 128 of 2,980 (4.3%)

Number of crew who have reported being ill during the voyage out of total number of crew onboard: 7 of 1,153 (0.61%)

Predominant symptoms: diarrhea

Causative agent: unknown

Actions: In response to the outbreak, Princess Cruises and the crew aboard the ship reported the following actions:Increasing cleaning and disinfection procedures according to their outbreak prevention and response plan,Collecting stool specimens from passenger and crew gastrointestinal illness cases for testing, andMaking twice daily reports of gastrointestinal illness cases to VSP.

A CDC VSP epidemiologist and environmental health officer will board the ship in Norfolk, Virginia, on November 5 to conduct an epidemiological and environmental health investigation.

Note: The gastrointestinal illness cases reported are totals for the entire voyage and do not represent the number of active (symptomatic) gastrointestinal cases at any given port of call or at disembarkation.